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Fireproof Steel Door

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Main features:

Fire resistant time :Class A ≥90min, Class B ≥60min, Class C ≥30min.

Various colors available (optional)

Glass window availableoptional

Automatic door closer availableoptional

Application scope

inner or outer door of all kinds of factories and commercial buildings, especially in area with a high demand of fire protection

Technical instruction

Door leaf

1. The door adopts the qualified electro-galvanized steel plate from Ma’anshan Steel Plant, and the plate thickness is not less than 1.0mm.

2. The interior of door is equipped with the steel skeleton, and the plate thickness of the steel skeleton is no less than 1.0 mm.

3。 The door locks, hinges, door closers and other hardware installation locations are equipped with the built-in screw holes reinforced plates with 3-5mm thickness。

4. The interior of the anti-fire door is filled with perlite, and is filled with perfusion.

5. The door structure: The designed thickness of door is no less than 50mm, and the coordinating connecting points with the door frame is the professional sealing structure.

Surface treatment: The static powder painting

Door Frame

1. The door frame adopts the qualified electro-galvanized steel plate from Ma’anshan Steel Plant, and the plate thickness is not less than 1.0mm.

2. The door frame is CNC machine all-in-one bending right, and there is the airtight groove at the junction with the door. The sealing strips are inlaid inside the airtight groove to prevent the external scratches.

3. The door frame lock stop bracket, hinge, door closer, and other hardware locations are equipped with built-in screw holes reinforced plate, and the thickness of reinforced plate is 3-5mm.

4。 The surface treatment: electrostatic powder coating, part of the color needs baking handling。 The coloring is solid, and it is extremely difficult to have the oxidation removal。

The thickness of the anti-fire door frames is the standard 125mm and 150mm.

The anti-fire door of our company completely complies with the requirement of the related fire proof regulations of GB 03J609 and GB12955-2008(China Government).

Hardware

1. The hinge is the stainless steel bearings butter-fly shaped, and is fixed by screws.

The door hinges rotate flexibly without blocking.

2. The locks adopt stainless steel anti-fire handle locks of Shanghai Xiandao factory. The closers are U.S. Dormax DMG non-positioning type GAZE

3. Fire window for 25mm laminated glass production set, ordinary steel door window for 6*6hollow toughened glass production


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